We're seeing this same issue. The postinst script in the 22.04 package seems to be missing a few lines that were still there in 21.10, one of which would be the one that executes systemctl enable pcscd.socket.
We're seeing this same issue. The postinst script in the 22.04 package seems to be missing a few lines that were still there in 21.10, one of which would be the one that executes systemctl enable pcscd.socket.